Home / 75,680.31-113,529.89-25,756.57

Finding the Fourth Proportional to 75,680.31, 113,529.89 and 25,756.57

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Solution

The fourth proportional to 75,680.31, 113,529.89 and 25,756.57 is: 38,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.31 : 113,529.89 = 25,756.57 : x
  2. Step 2: Convert to fraction form
    75,680.31/113,529.89 = 25,756.57/x
  3. Step 3: Cross multiply
    75,680.31x = 113,529.89 × 25,756.57
  4. Step 4: Simplify right side
    75,680.31x = 2,924,140,558.88
  5. Step 5: Solve for x
    x = 2,924,140,558.88/75,680.31
  6. Step 6: Final answer
    x = 38,638.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.